[新聞] 3大汙染源夾擊 中市力抗空汙
3大汙染源夾擊 中市力抗空汙
http://www.chinatimes.com/newspapers/20170908000469-260107 chinatimes
為改善台中市空汙情形,台中市環保局在全市設置16座自動空氣品質監測站及11座人工測
站,設置移動監測與高科技設備,希望能全面監測懸浮微粒及落塵等汙染,要讓業者勿心
存僥倖。
台中空汙主要來自固定、逸散、移動等來源,固定汙染源自境內重大工業區,分佈西屯、
豐原、后里、神岡、太平、大甲及梧棲等區;加上台中火力發電廠及中龍鋼鐵廠,每年排
放PM2.5分別高達1244及386噸,分占全市年總排放量14.6%、4.5%。
逸散汙染源來自車行揚塵及廟宇、神壇、殯葬等設施紙錢燃燒,農民燃燒稻草、果樹殘枝
;加上工業區、港口、砂石場、營建工地等,因車輛行經掉落土石,車輛進出造成路面揚
塵等汙染,也對市民造成如影隨形、日積月累的危害。
交通載具產生的移動汙染源,也造成全市空氣品質不良因素之一,台中市約有270萬輛汽
機車,密度為每平方公里1205輛,主要為機車占61%及自小客車33%等。唯有汰換高汙染
車輛,提升民眾使用大眾運輸或公共自行車等,方能改善空氣品質。
台中空汙還來自地形與氣候影響。台中屬盆地地形,加上中央山脈阻隔,春夏期間,海陸
風環流加上午後雷陣雨,尚不至於過度影響空氣品質;每到秋冬季節,因氣場微弱、空氣
擴散不佳,來自外境的霧霾,加上境內空汙物累積等,雪上加霜,危害市民健康。
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